Short answer: the Harman Kardon Luna on measured sound quality, the Sony XB23 on price. The Harman Kardon Luna ranks #22 of 136 medium speakers at $290.99. The Sony XB23 ranks #64 at $100, $190.99 cheaper.
What the Harman Kardon Luna offers: Pretty balanced sound besides the boosted bass. Watch for: Not stereo. Boosted bass, not as detailed as higher ranked speakers
What the Sony XB23 offers: Reasonably neutral. IP67 rated with a strap hook for backpacks. USB-C charging; up to 12 hour battery life. Watch for: Bass drops off a ton at high levels. Reduces its own volume over time when turned to max
Buy the Harman Kardon Luna if sound quality is the priority over the price, or the Sony XB23 if the price is the priority over sound quality.
Water resistance is not close: the Harman Kardon Luna is rated at IP67 (brief submersion), well ahead of the Sony XB23 at IPX4 (splashing).
Specifications Side By Side
| Harman Kardon Luna | Sony XB23 | |
|---|---|---|
| Price | $290.99 | $100 |
| Ranked | #22 of 136 in Medium Size Portable Bluetooth Speakers | #64 of 136 in Medium Size Portable Bluetooth Speakers |
| App | No | Yes (Sony Music Center) |
| Aux Input | No | - |
| Bass Extension (-10dB) | 57Hz | 67Hz |
| Battery Life | 12 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC | SBC, AAC, LDAC |
| EQ | No | Yes (3-band: bass, mid, treble) |
| IP Rating | IP67 | IPX4 |
| MicroSD Playback | No | - |
| Power Input | USB-C | - |
| Stereo | No | - |
| Omnidirectional | No | No |
| TWS | Yes | - |
| USB Playback | Yes | - |
| Weight | 2.5 lbs / 1.13 kg | 1.3 lbs / 580 g |
| Bluetooth Version | 5.3 | 5.0 |
| Dimensions | 8.3" x 3.1" x 3.1" (210 x 78 x 80 mm) | 3" x 8.6" x 3" (76 x 218 x 76 mm) |
| Drivers | 48mm x 90mm woofer, 20mm tweeter | 2x 42x51mm X-Balanced racetrack drivers + 2x passive radiators |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) | - |
| Output Power | 40W | 8W RMS |
| Digital Aux Input | No | No |
| Max Volume | - | 95dB |
| Party Mode | - | Yes (Party Connect up to 100 speakers) |
| Built in Microphone | - | Yes |
Related Speaker Comparisons
Other pairings from the same speaker class worth checking:
- Bose Soundlink Revolve+ II vs Klipsch Nashville
- JBL Charge 5 Wifi vs Klipsch Nashville
- Klipsch Nashville vs KEF Muo gen2
- Harman Kardon Luna vs Ultimate Ears Roll 2
- Harman Kardon Luna vs JBL Grip
Prices on this page were last checked August 27, 2026 at 10:09 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Speakers In Full
Harman Kardon Luna: $290.99 Amazon eBay
Pros: Pretty balanced sound besides the boosted bass.
Cons: Not stereo. Boosted bass, not as detailed as higher ranked speakers
Full Harman Kardon Luna review and specifications →
| App | No |
|---|---|
| Aux Input | No |
| Bass Extension (-10dB) | 57Hz |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Digital Aux Input | No |
| Dimensions | 8.3" x 3.1" x 3.1" (210 x 78 x 80 mm) |
| Drivers | 48mm x 90mm woofer, 20mm tweeter |
| EQ | No |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) |
| IP Rating | IP67 |
| MicroSD Playback | No |
| Omnidirectional | No |
| Output Power | 40W |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 2.5 lbs / 1.13 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Oluv Patreon: Harman Kardon Luna - sound demo More from Oluv’Sone →
- Alan Ross Reviews: Beats Pill vs Harman Luna vs Bose Flex vs Soundcore Motion Plus More from alanrossreviews →
- Storytripper HD: Klipsch Nashville vs Harman Kardon Luna vs Soundcore Motion 300 More from storytripperhd →
- Reddit Search for Harman Kardon Luna Review
- Head-to-Head Comparisons
- Harman Kardon Luna vs Tribit Maxsound Plus V1/V2/Thunderbox Plus
- Harman Kardon Luna vs Tribit Xsound Mega
- Harman Kardon Luna vs JBL Charge 5 Wifi
- Harman Kardon Luna vs Xiaomi Sound Party
- Harman Kardon Luna vs B&O Beosound A1 3rd gen
- Harman Kardon Luna vs JBL Charge 5
- Harman Kardon Luna vs Soundcore Boom 3i
- Harman Kardon Luna vs JBL Flip 7
- See all 72 comparisons
Sony XB23: $100 eBay
Pros: Reasonably neutral. IP67 rated with a strap hook for backpacks. USB-C charging; up to 12 hour battery life.
Cons: Bass drops off a ton at high levels. Reduces its own volume over time when turned to max
Full Sony XB23 review and specifications →
| App | Yes (Sony Music Center) |
|---|---|
| Bass Extension (-10dB) | 67Hz |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, LDAC |
| Bluetooth Version | 5.0 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 3" x 8.6" x 3" (76 x 218 x 76 mm) |
| Drivers | 2x 42x51mm X-Balanced racetrack drivers + 2x passive radiators |
| EQ | Yes (3-band: bass, mid, treble) |
| IP Rating | IPX4 |
| Max Volume | 95dB |
| Omnidirectional | No |
| Output Power | 8W RMS |
| Party Mode | Yes (Party Connect up to 100 speakers) |
| Weight | 1.3 lbs / 580 g |
- Links
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: Sony XB23 vs JBL Flip 5 v Tribit Maxsound Plus More from alanrossreviews →
- Alan Ross Reviews: Huawei Sound Joy vs Sony xb23 - worse or worser? 🤭
- Alan Ross Reviews: Sony XB23 vs XB33 - specs and measurements
- GYMCADDY: Sony XE200 Review And Compared to Sony XB23 - It Got The XE300 Treatment More from GYMCADDY →
- Reddit Search for Sony XB23 Review
- Head-to-Head Comparisons